Research Article
Intronic Variants of the Angiotensin-Converting Enzyme 2 Gene Modulate Plasma ACE2 Levels and Possibly Confer Protection against Severe COVID-19
Table 1
Demographic and biochemical data of all patients of the study.
| Parameter | Reference range | All patients () | Stratified to severity | value | Stratified to gender | value | Severe () | Moderate () | Mild () | Male () | Female () |
| Age (years) | — | | | | | 0.09 | | | 0.29 | Ferritin (ng/mL) | 20-336 | | | | | 0.49 | | | 0.61 | D-dimer (g/mL) | <0.5 | | | | | 0.06 | | | 0.49 | CRP (mg/L) | <6 | | | | | 1.58 10-5 | | | 0.03 | O2 level (%) | >95 | | | | | 0.005 | | | 0.62 |
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